627  Stamp
How many stamps? 1

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There are 200 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1690 cents. How many 8-cent stamps are there?



There are 140 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 520 cents. How many 3-cent stamps are there?



There are 190 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 960 cents. How many 6-cent stamps are there?



There are 190 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1010 cents. How many 4-cent stamps are there?



There are 180 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1220 cents. How many 5-cent stamps are there?



There are 160 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 580 cents. How many 4-cent stamps are there?



There are 210 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1450 cents. How many 5-cent stamps are there?



There are 220 stamps which are 3-cent stamps and 7-cent stamps. Altogether they cost 940 cents. How many 3-cent stamps are there?



There are 200 stamps which are 3-cent stamps and 7-cent stamps. Altogether they cost 960 cents. How many 3-cent stamps are there?



There are 250 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 1300 cents. How many 6-cent stamps are there?



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627    110 90 100 140 100 ( 540 )   100 110 150 110 150 ( 620 )   [[ 1160 ]]